The person killed as identified as Warnakulasuriya Anthony Fernando, a 38 year old fisherman.
Chilaw Mayor Hilary Prasanna told Timesonline that shops have been closed following the incident and more troops are being moved into the area to ensure security.
He said that the injured were brought by boat to hospital across the lagoon inorder to prevent tension rising.
He said fishermen have not gone out for fishing for the last three days.
Wednesday, 15 February